Home / 5,443.06-8,163.39-2,666.98

Finding the Fourth Proportional to 5,443.06, 8,163.39 and 2,666.98

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Solution

The fourth proportional to 5,443.06, 8,163.39 and 2,666.98 is: 3,999.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.06 : 8,163.39 = 2,666.98 : x
  2. Step 2: Convert to fraction form
    5,443.06/8,163.39 = 2,666.98/x
  3. Step 3: Cross multiply
    5,443.06x = 8,163.39 × 2,666.98
  4. Step 4: Simplify right side
    5,443.06x = 21,771,597.86
  5. Step 5: Solve for x
    x = 21,771,597.86/5,443.06
  6. Step 6: Final answer
    x = 3,999.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.